Here's a few more info bits on the unit.
Hardie's Reserve Cavalry
Hardie's reserve cavalry consisted of six companies under command of Maj. Joseph Hardie, and served in Alabama and Georgia. Hardie's company is mentioned in reports of Rousseau's raid and at various points in Georgia. The battalion, 530 strong, was at Talladega in February, 1865, and was attached to General Maury's army.
Extracts From Official War Records
Hardie's Reserve Company: No. 74--(975) Mentioned by Major Walthall in report of Rousseau's raid, July 14, 1864, about 20 men. No. 75--(793) Mentioned near Rome, Ga., June 22d. No. 78--(686) Mentioned by Captain Bowie, June 28th, at Cave Spring.
Hardie's Reserve Battalion: No. 93--(1233) In Armistead's brigade, central Alabama, November 20, 1864. No. 94--(634) In Armistead's brigade, central Alabama, December 1st. No. 103--(998) Hardie's battalion cavalry, six companies; 530 for duty; headquarters, Talladega, Ala
http://www.civilwarhome.com/alacav.htm
See also: http://books.google.com/booksid=CpEvAAAAYAAJ&pg=PA304&lpg=PA304&dq=Hardie's+Battalion+Alabama+Reserve+Cavalry&source=bl&ots=epLtHkV0vd&sig=gPvqjui4GghsSa6YKMcBFm1LEAU&hl=en&ei=ypT8S6KKA5SGNreelKUB&sa=X&oi=book_result&ct=result&resnum=8&ved=0CDkQ6AEwBw#v=onepage&q=Hardie's%20Battalion%20Alabama%20Reserve%20Cavalry&f=false
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Hardie's AL Cavalry Battn
Organized: on 9/7/64
Mustered Out: 5/4/65 at Citronelle, AL
Nov. '64 to Jan '65 assigned to Armistead's Brigade, Dist. of Central Alabama, Department of Alabama, Mississippi and East Louisiana
May '65 to May '65 assigned to Dist. of Central Alabama, Department of Alabama, Mississippi and East Louisiana
Hardie's RESERVE CAVALRY
Hardie's reserve cavalry consisted of six companies under
command of Maj. Joseph Hardie, and served in Alabama and
Georgia.
Hardie's company is mentioned in reports of Rousseau's raid
and at various points in Georgia. The battalion, 530 strong,
was at Talladega in February, 1865 and was attached to General
Maury's army.
Source: Confederate Military History, vol. VIII, p. 304
Typical service record:
Larkin Brock, age 49, resident of Talladega County, Alabama, 3rd Corporal, Company A, Hardie's Battalion of Cavalry, Alabama Reserves, enlisted April 10, 1864 at Talladega by Maj. Hardie for the war, absent with leave on the October 4,1864 muster-in roll, parolled at Talladega May 22, 1865, no other records
M311: Compiled Service Records of Confederate Soldiers Who Served in Organizations from the State of Alabama